12/20/11 888-2595-001 2-15
WARNING: Disconnect primary power prior to servicing.
Section 2 Installation
ZX Series
EXCITER OK
STATUS
Open collector
24V @ 100mA max.
Open = exciter reporting
internal fault or exciter
switcher reporting emergency
exciter switchover.
Ground = exciter OK
16 Output
LOW GAIN FAULT
(FORWARD POWER
LOW)
Open collector
24V @ 100mA max.
Ground = forward power too
low, APC out of lock
17 Output
REVERSE
FOLDBACK FAULT
Open collector
24V @ 100mA max.
Ground = reverse power too
high, power being reduced
18 Output
RESTARTS
EXCEEDED FAULT
Open collector
24V @ 100mA max.
Ground = tx locked out because
it tried to restart too many times
19 Output
FAN FAULT Open collector
24V @ 100mA max.
Ground = a fan has low rpms
20 Output
LOAD TEMP
FAULT (LOAD
OVERHEATED)
Open collector
24V @ 100mA max.
Ground = a combiner load has
exceeded 125
o
C
21 Output
MODULE
SHUTDOWN
FAULT
Open collector
24V @ 100mA max.
Ground = one or more PA
modules are switched off
22 Output
Table 2-2 REMOTE CONTROL (D-sub 25, amplifier rear)
Designation Remarks Pin
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